Question

5. When a solid is heated up and turns into
a liquid, it

Answer 1

When a solid is heated the particles gain energy and start to vibrate faster and faster. At this point, the solid is melting to form a liquid.

Step-by-step explanation:

The particles in the liquid are the same as in the solid but they have more energy.

Answer 2

Step-by-step explanation:

When it cools it turns back into a solid